Clown character from Tripping the Rift

1024 × 768

fish-like alien character

1680 × 1050

cartoon alien character

1600 × 1000

G'rog from Alien Racers

1024 × 768

fish-like alien holding object

1366 × 768

red alien with raised arms

1280 × 1024

Calvin looks out at alien landscape

1920 × 1200

robot alien with glowing eyes

1752 × 2160

Astronaut vs Alien Encounter

1600 × 1000

Predator alien close-up

800 × 1200

Zim and Gir at UFO Convention

1280 × 800

Invader Zim characters in space

1024 × 768

Dalek from Doctor Who

1680 × 1050

E.T. with lightsaber

1600 × 760

Futurama: Into the Wild Green Yonder

1024 × 768

Mission in Mocland: A Super Special Space Adventure

1200 × 900

Predator with red laser eyes

800 × 1200

Ellen Ripley with weapon

1261 × 1859

character in futuristic armor

1920 × 1080

female character in hooded armor

1440 × 900